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When Lizards Took Over the World

Season 3 Episode 28
8:29
When the Earth Suddenly Stopped Warming

When the Earth Suddenly Stopped Warming

Season 3 Episode 29
10:21
The Triassic Reptile With "Two Faces"

The Triassic Reptile With "Two Faces"

Season 3 Episode 30
10:11
The Reign of the Hell Ants

The Reign of the Hell Ants

Season 3 Episode 32
10:09
When We First Talked

When We First Talked

Season 3 Episode 34
11:13
The Genes We Lost Along the Way

The Genes We Lost Along the Way

Season 3 Episode 36
12:01
How Worm Holes Ended Wormworld

How Worm Holes Ended Wormworld

Season 3 Episode 38
9:42
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Eons

How Humans Lost Their Fur

Season 3 Episode 27

We’re the only primate without a coat of thick fur. It turns out that this small change in our appearance has had huge consequences for our ability to regulate our body temperature, and ultimately, it helped shape the evolution of our entire lineage.

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Did These Mammoths Dig Their Own Grave?
7:44
5,700 years ago, woolly mammoths crossed a remote tundra island off Alaska.
When Fish (Finally) Conquered the Deep Sea
9:48
Why did vertebrates conquer both the land and the air before the depths of the sea?
Why Do Humans Age Fast?
8:27
Long-extinct dinosaurs may still haunt us—possibly driving us to age faster than any vertebrate.
When the Earth Had Supermountains
9:34
Only twice in Earth's history have supermountains risen, and both times reshaped life forever.
Does The World's Most Famous Dinosaur Have The Wrong Name?
12:32
Was the T-Rex given the wrong name?
Did Ancient Storms Kill These Pterosaurs?
10:05
500+ pterosaur fossils found at Solnhofen may be hiding a dark secret distorting our view of them.
Sensitive Teeth? Blame This Fish
11:08
Why are our teeth so sensitive? The answer originates in the armored skin of ancient fish.
The Fiery Rise of Flowering Plants
10:45
For flowering plants to take over, they first helped burn the old world—and then put the fires out.
When Ancient Weeds Fooled Us
11:37
Ancient weeds mimicked crops, tricking farmers into domesticating friends—and enemies—by mistake.
How Brawn Led to Brains
12:14
Brains and brawn aren’t opposites—they’ve been linked far longer than we might think.
When a Tiny Land Bridge Triggered an Ice Age
10:27
Understanding the Isthmus of Panama.
How Chewing May Have Beat Extinction
9:35
Tiny mammals and a group of lizard-like reptiles shared a trait that helped them survive extinction.
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